The Amyris technology genetically modifies bacteria to convert plant sugars into a hydrocarbon called farnesene, which can be processed into fuels or specialty chemicals. The company's products can be used in cosmetics, artificial flavors, lubricants, diesel and jet fuels.

The company's cash dwindled. Amyris had $44.4 million in cash and cash equivalents at the end of September, down from $103.6 million at the end of September 2011.